[Docs] Add ruff linting to .ipynb files (#645)

examples/chatbot-simulation-evaluation/agent-simulation-evaluation.ipynb

@@ -40,7 +40,6 @@
    "source": [
     "import getpass\n",
     "import os\n",
-    "import uuid\n",
     "\n",
     "\n",
     "def _set_if_undefined(var: str):\n",
@@ -138,7 +137,6 @@
    "outputs": [],
    "source": [
     "from langchain_core.prompts import ChatPromptTemplate, MessagesPlaceholder\n",
-    "from langchain_core.runnables import chain\n",
     "from langchain_openai import ChatOpenAI\n",
     "\n",
     "system_prompt_template = \"\"\"You are a customer of an airline company. \\\n",
@@ -185,7 +183,6 @@
    "source": [
     "from langchain_core.messages import HumanMessage\n",
     "\n",
-    "\n",
     "messages = [HumanMessage(content=\"Hi! How can I help you?\")]\n",
     "simulated_user.invoke({\"messages\": messages})"
    ]
@@ -227,8 +224,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from langchain_core.messages import AIMessage\n",
     "from langchain_community.adapters.openai import convert_message_to_dict\n",
+    "from langchain_core.messages import AIMessage\n",
     "\n",
     "\n",
     "def chat_bot_node(messages):\n",
@@ -324,7 +321,6 @@
    "source": [
     "from langgraph.graph import END, MessageGraph\n",
     "\n",
-    "\n",
     "graph_builder = MessageGraph()\n",
     "graph_builder.add_node(\"user\", simulated_user_node)\n",
     "graph_builder.add_node(\"chat_bot\", chat_bot_node)\n",